Thank you so much for your suggestion, I will be sure to forward this over to our team :)
The Hypermobility can be found in Orthopedics under Degenerative Diseases, we also have a special user group that focuses on this that you may want to join:
In our Heart section we have http://www.medhelp.org/forums/Dysautonomia-Autonomic-Dysfunction/show/266
In our Neurology Department we have the following http://www.medhelp.org/forums/Chiari-Malformation/show/257
If you have any other questions or suggestions please do let us know. Hope this helps.